/Engine/Source/Runtime/GeometryCore/Public/Image/SpatialPhotoSet.h
bool ComputeSampleLocation ( const FVector3d & Position, const FVector3d & Normal, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const FVector3d &, const FVector3d &)> VisibilityFunction, int & PhotoIndex, FVector2d & PhotoCoords ) const